rank error confirmed
JVERSION
Engine: j903/j64/linux
Beta-w: commercial/2021-12-05T18:24:21
Library: 9.03.08
Platform: Linux 64
Installer: J903 install
Am 25.05.23 um 20:12 schrieb Martin Kreuzer:
Dear all -
Thought I had succeeded in deducing step by step the tacit verb for
factorial,
f=: 1:`(] * [: $: <:)@.*
when I encountered this:
f=. 1:`(] * [: $: <:)@.*
f 2 3 5 7
2 6 120 5040
f 2 3 5 7 11
|rank error in f, executing monad $:
| f 2 3 5 7 11
In contrast this seems to work alright:
g=. 1:`(] * $: @ <:)@.* NB. dictionary entry
g 2 3 5 7
2 6 120 5040
g 2 3 5 7 11
2 6 120 5040 39916800
JVERSION
Engine: j9.4.2/j64avx2/windows
Build: commercial/2023-04-10T01:19:53/clang-15-0-7/SLEEF=1
Library: 9.4.21
Platform: Win 64
Installer: j9.4 install
InstallPath: d:/program files (non-sys)/j9.4
Contact: www.jsoftware.com
However, my verb
f=: 1:`(] * [: $: <:)@.*
f 2 3 5 7 11 13
2 6 120 5040 39916800 6227020800
works under v8.07 as expected ....
Could somebody shed some light on this ?
-M
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